diff --git a/litellm/images/main.py b/litellm/images/main.py
index 8b108ded4c9..f910df12dbb 100644
--- a/litellm/images/main.py
+++ b/litellm/images/main.py
@@ -963,6 +963,9 @@ def image_edit(
                 client=kwargs.get("client"),
                 aimage_edit=_is_async,
             )
+        # Forward provider-specific params (e.g., image_config for OpenRouter) so they
+        # reach the provider the same way bedrock/stability/black_forest_labs paths do.
+        image_edit_request_params.update(non_default_params)
         # Call the handler with _is_async flag instead of directly calling the async handler
         return base_llm_http_handler.image_edit_handler(
             model=model,